CatDCD project functions much like the Unix "cat" command: it concatenates DCD files into a single DCD file. You can also use catdcd to write only selected atoms to the final DCD file.

Here are some key features of "CatDCD":

· catdcd functions much like the Unix "cat" command: it concatenates DCD files into a single DCD file.· It also allows the user to specify which atoms and which frames should be written into the output file; thus DCD's can be split as well as combined.